To Set the Scale of a Hatch Pattern

Click Drafting tab > Hatch panel > Hatch.
In the Hatch visor, click Pattern from the Hatch Type drop-down list.
On the Pattern panel, click a hatch pattern.
On the Properties panel, enter a hatch pattern scale.
Specify a point inside each area that you want to hatch.
Press Enter, or click Close on the visor to apply the hatch and exit the command.